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Need help!!! What are my spark plugs supposed to be gapped at?

This is a discussion on Need help!!! What are my spark plugs supposed to be gapped at? within the General Help forums, part of the LSx Technical Help Section category; I'm doing my ignition wires and sparks and i bpought ngk tr-55 from speed inc. and dont know what the ...

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    Awaiting Activation NeeD4SpeeD's Avatar
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    Collectors Edition Yellow
    2002 Pontiac Trans AM WS6

    Exclamation Need help!!! What are my spark plugs supposed to be gapped at?

    I'm doing my ignition wires and sparks and i bpought ngk tr-55 from speed inc. and dont know what the gapping is on them? I have an 02 WS6 so what should i gap the sparks at or do they come pre gapped??

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    Single Malt rbob93's Avatar
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    I gap mine @.055

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    NGK's site says .060, but I gap mine .055

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    Any major mod's. such as head/cam or forced induction? If not, .055. If so, then .041to .045. If you're gap is too big, there will likely be a back fire on deceleration. If no backfire, you're good.

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    Awaiting Activation NeeD4SpeeD's Avatar
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    Nope no head/cam.... though i will be gettin both in march so i guess when the time comes around i'll need to re-gap em!!

    Thanks everyone for your help i installed the 10.4mm taylor 09 race wires with the NGK TR-55 and runs frigen awesome!!!

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